629671620 has 48 divisors (see below), whose sum is σ = 1781273088. Its totient is φ = 166179840.

The previous prime is 629671613. The next prime is 629671639. The reversal of 629671620 is 26176926.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48276 + ... + 59915.

It is an arithmetic number, because the mean of its divisors is an integer number (37109856).

Almost surely, 2^629671620 is an apocalyptic number.

629671620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

629671620 is an abundant number, since it is smaller than the sum of its proper divisors (1151601468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629671620 is a wasteful number, since it uses less digits than its factorization.

629671620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108300 (or 108298 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 629671620 is about 25093.2584572032. The cubic root of 629671620 is about 857.1129164938.

The spelling of 629671620 in words is "six hundred twenty-nine million, six hundred seventy-one thousand, six hundred twenty".